1, to promote the recovery of uterine function: the placenta and the uterus from, at the same time with the rapid enhancement of the role of uterine contractility, in order to discharge the afterbirth, removal of postpartum and the occurrence of endometritis, such diseases have a good therapeutic effect

2, postpartum evil things can't: the performance of mental depression, bow back, responsibility, do urination posture, discharge fishy smell with different color pus

3, endometritis: sick animals often bow back, Nu blame, discharge mucous or purulent secretions from the vulva, estrus can be seen in the discharge of mucus in flocculent pus, cloudy or milky white

4, uterine involution is not complete: to promote the repair of postpartum uterus, 25-45 days after delivery, still not estrus, rectal examination of uterine swelling, hard. Promote follicular secretion and maturation to ensure successful mating on time next time

5. Insufficient qi and blood produced by congenital mothers: after delivery, the placenta does not fall, and the resulting mothers cannot quickly adjust their metabolic functions, so that a large amount of calcium stored in the body is released.